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Crystal field of Dy implanted in Al single crystals, obtained by Mossbauer spectroscopy

P J Kikkert and L Niesen

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The field dependence of the hyperfine interaction of 161Dy in Al has been studied in external magnetic fields up to 3.21 T by means of Mossbauer spectroscopy. 161Dy was introduced into a single crystal of Al by means of low-temperature ion implantation. From the measurements the authors determine the parameters of the cubic crystalline electric field acting on the Dy nuclei: A4(r4)=-32+or-32K and A6(r6)=14.1+or-1.4K. These parameters correspond to a Gamma 7 ground doublet separated from a Gamma 8 excited quartet by Delta =26+or-6K and an overall multiplet splitting of 143+or-25K.


PACS

71.70.Ch Crystal and ligand fields

76.80.+y Mössbauer effect; other γ-ray spectroscopy

71.70.Jp Nuclear states and interactions

61.80.Jh Ion radiation effects

61.82.Bg Metals and alloys

Subjects

Condensed matter: electrical, magnetic and optical

Condensed matter: structural, mechanical & thermal

Dates

Issue 8 (August 1981)



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